William Kosovic is a Canadian actor known for his roles across a diverse range of television dramas, streaming series and feature films. He has been a professional actor since the age of four and quickly built a steady career in North American film and television. William is best recognized for his appearances in Tracker, as Miles Baer and Virgin River as Henry. He has appeared in several other high-profile series, including The Fall of the House of Usher, Wild Cards and Fire Country, showcasing a talent for both dramatic and character-driven roles. In addition to his work in television, he was cast in a supporting lead role in the 2024 psychological thriller Sharp Corner, alongside Cobie Smulders and Ben Foster. Sharp Corner had its world premiere at the Toronto International Film Festival. Kosovic will appear in Unabom, an upcoming Netflix production scheduled for release in 2026. The project features a high-profile cast including Russell Crowe, Shailene Woodley and Jacob Tremblay. While on set, William greatly enjoyed the opportunity to observe and work alongside fellow child actor Jacob Tremblay.